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The balance of trade in alien species between South Africa and the rest of Africa
Background: Alien organisms are not only introduced from one biogeographical region to another but also spread within regions. As South Africa shares land borders with six countries, multiple opportunities exist for the ...
The potential range of Ailanthus altissima (tree of heaven) in South Africa: the roles of climate, land use and disturbance
Invasive trees are a major problem in South Africa. Many species are well established whereas others are still in the early stages of invasion. The management of invasive species is most cost effective at the early stages ...